Sure! Here's an example of a simple game where you have to catch a train. The game is implemented as a single HTML file and uses JavaScript. It is designed for smartphone operation and uses pictograms.
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In this game, you need to catch the train by tapping on it. The train will move to a random position within the game area every 2 seconds. If you successfully tap on the train, the game will end and display a "You Caught the Train!" message.
Feel free to modify the code and add more features to make the game even more enjoyable.